Migrate FastCloneShallowObjectStub to TurboFan

src/compiler/code-stub-assembler.cc

Index: src/compiler/code-stub-assembler.cc
diff --git a/src/compiler/code-stub-assembler.cc b/src/compiler/code-stub-assembler.cc
index bbb4d6353bf701844784e76f4c2eaf95bcf34141..6573297e62f3e27a4dfd99392a0cc0470a69ca93 100644
--- a/src/compiler/code-stub-assembler.cc
+++ b/src/compiler/code-stub-assembler.cc
@@ -436,6 +436,12 @@ Node* CodeStubAssembler::LoadObjectField(Node* object, int offset,
                               IntPtrConstant(offset - kHeapObjectTag));
 }
 
+Node* CodeStubAssembler::StoreObjectFieldNoWriteBarrier(
+    Node* object, int offset, Node* value, MachineRepresentation rep) {
+  return StoreNoWriteBarrier(rep, object,
+                             IntPtrConstant(offset - kHeapObjectTag), value);
+}
+
 Node* CodeStubAssembler::LoadHeapNumberValue(Node* object) {
   return Load(MachineType::Float64(), object,
               IntPtrConstant(HeapNumber::kValueOffset - kHeapObjectTag));
@@ -491,6 +497,11 @@ Node* CodeStubAssembler::LoadFixedArrayElementInt32Index(
   return Load(MachineType::AnyTagged(), object, offset);
 }
 
+Node* CodeStubAssembler::LoadMapInstanceSize(Node* map) {
+  return Load(MachineType::Uint8(), map,
+              IntPtrConstant(Map::kInstanceSizeOffset - kHeapObjectTag));
+}
+
 Node* CodeStubAssembler::LoadFixedArrayElementSmiIndex(Node* object,
                                                        Node* smi_index,
                                                        int additional_offset) {
@@ -660,6 +671,10 @@ Node* CodeStubAssembler::Allocate(int size_in_bytes, AllocationFlags flags) {
                               limit_address);
 }
 
+Node* CodeStubAssembler::InnerAllocate(Node* previous, int offset) {
+  return IntPtrAdd(previous, IntPtrConstant(offset));
+}
+
 Node* CodeStubAssembler::AllocateHeapNumber() {
   Node* result = Allocate(HeapNumber::kSize, kNone);
   StoreMapNoWriteBarrier(result, HeapNumberMapConstant());